/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMModel/RigVMPin.h
Populates an array of pins which will be reduced to the same operand in the VM. This includes Source-Target pins in different nodes, pins in collapse and referenced function nodes, and their corresponding entry and return nodes.
void GetExposedPinChain ( [TArray](API\Runtime\Core\Containers\TArray)< const [URigVMPin](API\Plugins\RigVMDeveloper\RigVMModel\URigVMPin) * > & OutExposedPins ) const